A post shared by skittishkid (@skittishkid) on Aug 9, 2017 at 7:06pm PDT

The couple originally planned to wait a few years before starting a family, but that changed when Kelsey was diagnosed with a degenerative neurological disease shortly after they were married.

"As soon as we found out Kelsey had Huntington’s, she said, ‘I want to have a kid right away,’" the actor explained to People magazine. "'I want to have as much time with our kids as I possibly can before Huntington’s starts to take effect.'"